506 17. STEREODONTES. [ Microthamnium. 
Rami depressi, intricati, ramulis 4-6-linearibus ramosi. Folia viridi- 
lutescentia, subnitentia. Pedunculus 6-linearis. Theca parva. 
6. M. BREVIUSCULUM (Mitt.). Folia subcompressa patentia, caulina 
cordata, acuminata, ramea late ovata, acuminata, apicibus serrulatis, nervis 
brevibus, cellulis elongatis dorso parce papilliferis fere laevibus ; perichz- 
tialia erectiuscula, e basi oblonga acuminata, parce serrulata. Thecain pe- 
dunculo elongato horizontalis, ovalis, inzequalis, operculo convexo obtuso, 
peristomii dentibus flavis erosis, processibus zquilongis, ciliis duobus bre- 
vioribus, in membrana ad tertiam dentium longitudinis producta impositis. 
Hab. Andes Quitenses, Baños (6000 ped.), Spruce, n. 1055. 
M. ozystego simile sed minus, foliis levioribus minus serrulatis, operculo 
obtuso; a M. thelistego folis latioribus brevius acuminatis fere levibus 
differt. 
7. M. ANDICOLA (Hook. Musc. Ezot.t.83, Hypnum). Folia subeom- 
pressa, patentia, plicis parvis striata, nervis brevibus, marginibus sub- 
serrulatis, ramea anguste ovato-lanceolata, serrulata, dorso evidentius 
papillata, cellulis elongatis angustis ; perichzetialia erecta, imbricata, e basi 
oblonga, apice dentata, subito angustata, longe subulato-attenuata, sub- 
denticulata. Theca in pedunculo elongato, ovalis, erecta, zequalis, hori- 
zontalis nutansve et inzqualis, operculo brevirostrato, peristomii interni 
cilis tribus quam processus brevioribus, in membrana ad dentium longi- 
tudinis 1 exserta impositis. 
Hypnum volvatum, Hampe in Linn. xxxi. 529. 
Hab. Nova Granata, Paramo de Ruiz, Purdie. Andes Bogotenses, in 
sylvis supra Pacho (6500 ped.), Weir, n. 279, 380. Andes Quitenses, 
Humboldt et Bonpland, in monte Cayambe, Spruce. 
The figure in the * Musci Exotici ' is not good. 
8. M. nEPTANS (Sw. Fl. Ind. Occ. 1819; Hedw. Sp. Musc. t. 68, 
Hypnum). Folia caulina parva, remota, divergentia, subdeltoidea, breviter 
nervata, inferiora enervia, ramea compressa, ovato-lanceolata, serrulata, 
dorso papillis sparsis aspera, cellulis elongatis; perichetialia e basi brevi 
subquadrata, apice denticulata integerrimave, longe subulato-attenuata. 
Theca in pedunculo elongato horizontalis pendulave, ovalis, inzqualis, 
operculo brevirostrato, peristomii interni ciliis duobus quam processus 
brevioribus. 
Hypnum pallidum, Hook. in Kunth. Syn. Fl. Æq. i. 63. 
Leskea pallida, Schwegr. t. 291. 
Hab. Ins. Jamaica, Swartz, Heward, Wilson, Wilds; Cuba, Wright, 
n. 119; Venezuela, Moritz, Karsten. Andes Quitenses, Humboldt et 
Bonpland, Jameson ; in monte Guayrapata (9000 ped.), Spruce, n. 1115; ad 
pagum Baños (6000 ped.), Spruce, n. 1116, ad fl. Bombonasa (1500 ped.), 
n. 1117, in monte Tunguragua (7000-8000 ped.), n. 1118. 
